The steel box wrench (E=29,000ksi, v=0.32) is loaded with a 40-lb horizontal force and a 25-lb vertical force. Find the following for an element located at point B on Section a-a: 24 in. 1. The non-vanishing resultant internal moments on section a-a are which of the following? 4 in. a. (160 i- 600 j+960 k )in · lb b. (-160 i+ 600 j+960 k ) in · lb a c. (-960 i+160 j+600 k )in · lb d. (-960 i–160 j–600 k)in -lb e. none of the above 2. The normal and shear force components on section a-a are: a. V, = 65lb;V, = 40lb; N¸ = 25lb b. V, = 0;V, = 40lb; N¸ = 25lb c. V, = 64;V, = 25lb; N¸ = 40lb d. V, = 0;V, = –40lb; N¸ =-25lb %3D e. none of the above 3. The non-vanishing stress components at point B are: 0 =1.60; 7 =-4.89ksi; b. o, =-4.89; , = 3.60ksi; а. = 2.50ksi; T =-4.89ksi; с. d. o, = 4.91ksi; , =-4.89ksi; %3D e. none of the above 4. The principal stresses at point B from most tensile to most compressive a a. O,02,0, =4.16,–0.8,–5.76 b. 01,02,0, =5.76,0,-4.16 c. 01,02,0, =1.9,-2.45,-6.8 d. o1,02,0, =2.45,0,–6.8 e. none of the above 5. The absolute maximum shear strain at B is: а. 90318; b. 2450µɛ; c. 45με; d. 5920uE; е. none of the above
The steel box wrench (E=29,000ksi, v=0.32) is loaded with a 40-lb horizontal force and a 25-lb vertical force. Find the following for an element located at point B on Section a-a: 24 in. 1. The non-vanishing resultant internal moments on section a-a are which of the following? 4 in. a. (160 i- 600 j+960 k )in · lb b. (-160 i+ 600 j+960 k ) in · lb a c. (-960 i+160 j+600 k )in · lb d. (-960 i–160 j–600 k)in -lb e. none of the above 2. The normal and shear force components on section a-a are: a. V, = 65lb;V, = 40lb; N¸ = 25lb b. V, = 0;V, = 40lb; N¸ = 25lb c. V, = 64;V, = 25lb; N¸ = 40lb d. V, = 0;V, = –40lb; N¸ =-25lb %3D e. none of the above 3. The non-vanishing stress components at point B are: 0 =1.60; 7 =-4.89ksi; b. o, =-4.89; , = 3.60ksi; а. = 2.50ksi; T =-4.89ksi; с. d. o, = 4.91ksi; , =-4.89ksi; %3D e. none of the above 4. The principal stresses at point B from most tensile to most compressive a a. O,02,0, =4.16,–0.8,–5.76 b. 01,02,0, =5.76,0,-4.16 c. 01,02,0, =1.9,-2.45,-6.8 d. o1,02,0, =2.45,0,–6.8 e. none of the above 5. The absolute maximum shear strain at B is: а. 90318; b. 2450µɛ; c. 45με; d. 5920uE; е. none of the above
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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